1. Them Bones or….. The Human Skeleton

2. Main Parts of Human Skeleton

4. Functions of skeleton  Support  Movement  Protection

5. Location of main bones

8. Can you remember? How many functions does the skeleton have? 3

9. Can you remember? What are those three functions? Support Protection Movement Hold us upright Ribs protect the lungs heart etc Anchor for the muscles

10. Getting about…. Movement

11. Bones and muscles of the arm biceps radius humerus ulna

12. How would YOU raise the arm? biceps radius humerus ulna

13. Muscles work in pairs (antagonistic pairs) bone pulled upward triceps relaxes

14. How would you lower the arm? biceps triceps ulna radius humerus

15. They are called an antagonistic pairs bone pulled downward biceps relaxes

16. Watch the muscles….

17. They only contract

18. They can not push

19. They only pull

20. That’s why they work in pairs

22. They are called an antagonistic pairs

23. A Synovial Joint Bone Ligaments hold the bone together Cartilage protects end of bone Synovial fluid stops wear Capsule Membrane

25. Connective Tissue Tendon Muscle to bone Ligament bone connected to bone Cartilage protects end of bone

26. A Joint is where the bones are allowed to move about each other, this is called a hinge

28. Bone Marrow  Red blood cells are made in the marrow or inside of the bones